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Owl Nebula
释义
Owl Nebula
Encyclopedia
理学
行星状星云
释
Owl Nebula
夜枭星云
位于大熊星座的一个比较复杂的行星状星云。星表中的编号为M97和NGC3587。距离地球2030光年(621秒差距),视星等为9.9,年龄约8千年。又称猫头鹰星云。
Astronomy
Owl Nebula
夜枭星云
随便看
sample path property
sample percentile
sample plot
sample point
sample-population approach
sample prepairing for microscopic-observing
sample preparation
sample preparation chip
sample preparation/digestion equipment
sample preparation instrument
sample pretreatment
sample pretreatment of free drug analysis
sample pre-treatment technology
sample pretreatment technology for pharmaceutical analysis
sample process
sample proof
sample proportion
sample quantile
sample quartile
sampler
sample range
sample raw moment
sample regression coefficient
sample representativeness
sample residual dispersion
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更新时间:2026/10/8 13:31:55